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Computer Network-2

Computer Network-2

7 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following topologies is the combination of star and bus topology?

  1. Star topology
  2. Ring topology
  3. Tree topology
  4. Bus topology
  5. None of these
Question 2 Multiple Choice (Single Answer)

Which of the following statements is false about transmission media in networking?

  1. Infrared is an example of unguided media.
  2. Twisted pair is used in buildings and in telephone connection network.
  3. Twisted pair is expensive as compared to optical fibre.
  4. Optical fibre has higher data rate than twisted pair.
  5. None of the above
Question 3 Multiple Choice (Single Answer)

Which of the following statements is/are true in context of OSI model of networking?

  1. The physical layer is responsible for providing services requested by the data link layer.
  2. The physical layer determines the physical and electronic specifications of devices such as repeaters, cables and network interface cards.
  3. The protocols of the physical layer include CSMA/CD (Carrier Sense Multiple Access/collision detection), DSL (digital subscriber line), etc.
  4. Ethernet is used for local area networks.
  5. All of the above
Question 4 Multiple Choice (Single Answer)

Which of the following protocols is not used as a cryptographic protocol?

  1. SSL (Secure Socket Layer)
  2. IPsec (Internet Protocol Security)
  3. TLS (Transport Layer Security)
  4. Ethernet
  5. None of the above
Question 5 Multiple Choice (Single Answer)

Which of the following statements is not true about the topologies in networking?

  1. There is a limitation of devices to connect through the bus topology.
  2. Star topology is expensive as compared to bus topology.
  3. Star topology is better than ring topology.
  4. In star topology, we can add or remove the devices easily without effecting the entire network.
  5. None of the above
Question 6 Multiple Choice (Single Answer)

What is the function of DHCP (Dynamic Host Communication Protocol) in networking?

  1. It translates the network address in terms of domain names.
  2. It automatically assigns the valid IP address from the server to all the network devices.
  3. It is used for internet chat and other communication in the network.
  4. It is used to receive the messages from the remote servers for e-mail clients.
  5. None of the above
Question 7 Multiple Choice (Single Answer)

Which of the following statements is/are true?

  1. Sliding window protocols are based on packet based data communication in networking.
  2. A one bit sliding window protocol is also called 'stop and wait' protocol.
  3. The size of the window should be n-1 in sliding window protocol, where n is the number of frames.
  4. Both (1) and (2)
  5. (1), (2) and (3) all are true.
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